package Test;

import domain.Student1;

public class Demo15 {
    public static void main(String[] args) {
        StringBuilder sb = new StringBuilder();
        sb.append("张三,9");
        String s = sb.toString();
        String[] arr = s.split(",");
       String s1=  arr[1];

        System.out.println(s1);
  //      Student1 stu = new Student1(arr[0],arr[1]);


    }
}
